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7.2.5 Rectifier Module
1.
Remove center mounted safety cover from
rectifier module by removing screws (8 mm).
2.
Remove top mounted safety cover from rectifier
module by removing screws (8 mm).
3.
Remove two DC bus bars from top of rectifier by
removing four nuts (8 mm) securing each bus bar
(two on each end of bus bar).
4.
Remove three AC input power bus bars in order
to free module for removal. Bus bars are stacked
one behind the other. Each is retained by four
nuts (17 mm) .
5.
Disconnect four white connectors from top of
rectifier module.
NOTE: For reinstallation, note that each connector
is a different size.
6.
Disconnect connector located on bottom of
MDCIC board mounted to back panel above
rectifier unit (not shown).
7.
Remove two nuts (M6) from bracket at back of
rectifier securing module to cabinet.
NOTE: Four eye bolts and washers are stored at
left bottom side of rectifier cabinet for use in
lifting rectifier. If desired, attach washers and
bolts to lifting holes provided at top of module.
Module weighs approx. 136 kg / 300 lbs.
8.
Provide sufficient mechanical support to
withstand weight of rectifier. Withdraw rectifier
from cabinet.
Reinstall rectifier module in reverse order of this
procedure.
1
2
3
4
5
6
7
8
9
10
11
130BX270.10
1
Connectors (step 5)
2
Back AC input power bus bar (step 4)
3
Middle AC input power bus bar (step 4)
4
Front AC input power bus bar (step 4)
5
Eye bolt location in rectifier cabinet
6
Eye-bolt washer
7
Eye bolt
8
Rectifier module
9
DC bus bar (step 3)
10
DC bus bar (step 3)
11
Mounting bracket
Top Level Module Removal In...
High Power Service Manual for Modular F Frame Drives
MG90K202 - VLT
®
is a registered Danfoss trademark
107
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